On 8/2/2012 6:05 AM, Brian Holt wrote: > Hi list, > > I'm refactoring the tree module to introduce lazy argsorting and my > unit tests are failing with: > > Exception ValueError: ValueError(u'ndarray is not Fortran > contiguous',) in 'sklearn.tree._tree.Tree.recursive_partition' ignored > > I think I've pinned down the problem to this minimal sample: > >>>> import numpy as np >>>> X = np.array([[0]]) >>>> a = np.asfortranarray(X) >>>> a.flags > C_CONTIGUOUS : True > F_CONTIGUOUS : False > OWNDATA : True > WRITEABLE : True > ALIGNED : True > UPDATEIFCOPY : False > > Is this a bug in numpy? And if so, is there any workaround? > > Regards > Brian
Hi Brian, Here are the results for my setup: >>> sys.version '2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)]' >>> import numpy >>> numpy.__version__ '1.6.2' >>> x = numpy.array([0]) >>> a = numpy.asfortranarray(x) >>> a.flags C_CONTIGUOUS : True F_CONTIGUOUS : True OWNDATA : True WRITEABLE : True ALIGNED : True UPDATEIFCOPY : False > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
